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Old 09-11-2013, 04:50 PM   #11
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I test calcium and KH now, I need to pick up a mag test. So basically, once those are stable, just do my routine PWC to keep them nominal with the new salt? Or, should I dose slowly to bring them up in anticipation of introducing the salt?

I don't want to risk 50% changes. That's too big a swing (potentially) for me. I suppose I could re-drip acclimate my livestock (not much right now) over the course of 8 hrs or so, but what a PITA that would be.

The new salt will raise this parameters slowly as is. I agree re acclimating is a waste of time. I would start the WC's and when you are ready give a test of the parameters. Remember, depending on the type and amount of corals you add you may not even need to supplement anything, the waterchanges may just keep it stable. An example is my sons nano, its a 20 Gal high mixed reef. However it is lightly stocked with corals, altogether about 15 differnt things. I do nothing but water changes on this tank and everythings does great. Growth is a little slower but im ok with it since its a nano.
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Old 09-11-2013, 05:09 PM   #12
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I'll take some baseline tests to start, and start doing the PWCs, testing after each, and immediately prior to the following one (to gauge consumption of the various elements).

I won't add corals until the magnesium is at an acceptable level, and I'm not in a rush. I'd rather take my time and do it right (even if it's 20% at a time twice a week for a month) than risk livestock loss.
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Old 09-11-2013, 05:28 PM   #13
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Id like to know exactly how doing a 50% water change is "insane" and "madness". What reef expert did you consult for this? Also doing 3- 50% water changes isnt going to waste as much as doing 1g water changes. Just as an fyi... If you do 1g water changes, its going to look like this. The percentages are what the new reef crystal salt would make up of total water volume.
1st pwc- 5%
2nd- 2.5- 3%
et etc etc. youll never actually raise and hold your levels by doing 1g pwcs. Doing 50% weekly for 3 weeks will put the OP at 87.5%... Reef crystals is no different than IO except it has slightly higher trace elements for better coral growth. Its not going to hurt his livestock.

Its no different than if someone has a large tank (100+g) and their nitrates are out of control, doing small frequent water changes isnt going to work as efficiently as a few bigger water changes.
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Old 09-11-2013, 06:22 PM   #14
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He is not trying to remove nutrients with the same salt. He is switching salts. one should never switch salts drastically, it needs to be done slowly. He is also not trying to maintain a certain lvl of cal, alk, and mag. again he is switching salt. There is a safe way to do things in this hobby and there is a fast way to do things in this hobby. It is for him to decide which way he wants to go. We have both made out case and its done.
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Old 09-11-2013, 06:38 PM   #15
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He is not trying to remove nutrients with the same salt. He is switching salts. one should never switch salts drastically, it needs to be done slowly. He is also not trying to maintain a certain lvl of cal, alk, and mag. again he is switching salt. There is a safe way to do things in this hobby and there is a fast way to do things in this hobby. It is for him to decide which way he wants to go. We have both made out case and its done.
Dude no need to be rude.
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Old 09-11-2013, 06:51 PM   #16
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I change salts all the time with no problem, just do your normal PWC's and you'll be fine there's no need to over think it.
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Old 09-11-2013, 08:10 PM   #17
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Do everything very slowly and deliberately while testing. Flying blind isn't recommended. Drastic changes are what causes many problems. Many forum members change up salt brands all the time. They just do it slowly during regular water changes. Most also test for alk/cal/mag if they grow a lot of hard corals.
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Old 09-11-2013, 09:33 PM   #18
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I believe fish is not that sensitive on calcium and magnesium. You can just gradually raise them by dosing with those elements daily and at the same time do your regular pwc with 10% Reef Crystals. You can reach the right parameter in a week or two. Get the 2 part B-ionic since it includes the KH and Calcium then get a Mag.
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Old 09-11-2013, 09:40 PM   #19
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I change salts all the time with no problem, just do your normal PWC's and you'll be fine there's no need to over think it.
This would be my suggestion also. Regular pwc's will do just fine. BTW there is more than one right answer for the question.
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Old 09-11-2013, 10:34 PM   #20
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I agree as well. I change salts on a pretty regular basis (on purpose) and simply do so with my weekly water changes. No ill effects witnessed.
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